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Finding the Fourth Proportional to 464.88, 696.96 and 248.52

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Solution

The fourth proportional to 464.88, 696.96 and 248.52 is: 372.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.88 : 696.96 = 248.52 : x
  2. Step 2: Convert to fraction form
    464.88/696.96 = 248.52/x
  3. Step 3: Cross multiply
    464.88x = 696.96 × 248.52
  4. Step 4: Simplify right side
    464.88x = 173,208.50
  5. Step 5: Solve for x
    x = 173,208.50/464.88
  6. Step 6: Final answer
    x = 372.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.